Model F: Simple portable CO2 sensor

Back in stock around March 21st, 2025

Model F CO2 Sensor – Your Personal Guardian for Clean Air

Step into 2025 with the all-new Model F, featuring a durable PETG construction, an attachment loop, and a complimentary carabiner or lanyard for ultimate portability. This is more than just a sensor—it's your personal guide to healthier air, wherever life takes you.

Why Choose the Model F?

• Advanced CO2 Detection: Powered by the Sensirion SCD-41 photoacoustic sensor, the Model F provides highly accurate CO2 measurements, ensuring you stay informed about the air quality around you.
• Historical Data Tracking: Monitor and analyze up to 96 hours of CO2 levels, helping you understand trends in your environment and make better decisions for your well-being.
• Vibrant Color LCD Display: View real-time CO2 levels in a visually engaging way with the bright, easy-to-read color LCD display.
• Battery Operated: Enjoy over 15 hours of continuous operation on a single charge, whether at home, in the office, or on the move.
• Firmware Updates: Stay ahead with regular firmware updates, ensuring your sensor is equipped with the latest features and improvements.
• USB-C Charging: Quick and convenient USB-C charging ensures your Model F is always ready when you are.

Specifications

• Dimensions: 106mm x 28mm x 19mm
• Construction: Black PETG case (3D-printed)
• CO2 Measurements

• Range: 0 to 5,000 ppm
• Type: Photoacoustic
• Accuracy:
  • 400-1,000 ppm: ±(50 ppm + 2.5% MV)
  • 1,001-2,000 ppm: ±(50 ppm + 3% MV)
  • 2,001-5,000 ppm: ±(40 ppm + 5% MV)
    (Measured at 25 °C, 400 to 5,000 ppm)
• Operating Range

• Temperature: 0 °C to 60 °C

Breathe Easy with the Model F

The Model F CO2 Sensor is a perfect blend of advanced technology and convenience. Designed for portability and precision, it's the ideal tool for anyone who values air quality. From real-time monitoring to historical data analysis, the Model F empowers you to create a healthier environment wherever you go.

Take charge of your air quality today. Order the Model F and elevate your environment!

Availability

We are stocking low quantities for fast deliveries. If we are out of stock, your order will be built, assembled and tested and will ship 3 to 5 business days from the day you place your order.

Documents

Quick Setup Guide

Case 3D print files

Cases can be printed in resin or with FDM technology. For FDM, we recommend using a 0.4mm nozzle and a maximum layer height of 0.2mm for optimal results.

Google Drive Link to STL Files

Firmware Changelog

OpenSource firmware (Gitlab repository)

v1.3.1 - March 28th, 2024 (Download the firmware)

• Data download does not always complete

v1.3.0 - March 24th, 2024

• Spectacular leap from 12 hours to an incredible 96 hours of history
• Added functionality to switch the temperature unit between Celsius and Fahrenheit in the configuration settings.
• Fixed a critical issue that caused data corruption and prevented the sensor from starting properly.
• Resolved a bug where the first data entry after sensor startup showed an incorrect date and time.
• Improved data saving protocol to more closely adhere to the 1-minute data sample rate.
• Refined the accuracy of temperature and humidity offsets.
• Ensured that the Data CSV file now includes column names for better data management.